NWN Northwest Natural Holding Co: institutional ownership and insider trading
347 funds reported holding $1.96B of Northwest Natural Holding Co in their latest 13F filings; in Q2 2026 funds net bought $58.2M, with 33 new positions and 37 funds selling out; over the last 12 months insiders bought $79.8K and sold $822K on the open market.
Famous investors holding NWN
- Two Sigma (Two Sigma Investments): $19.6M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $1.91M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $1.12M, 0.0% of the portfolio
Largest institutional holders of NWN
- BlackRock, Inc. (BLK) — $329M
- VANGUARD GROUP INC — $220M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $134M
- VANGUARD CAPITAL MANAGEMENT LLC — $93.2M
- STATE STREET CORP (STT, STT-PG) — $84.9M
- VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. — $71.6M
- GEODE CAPITAL MANAGEMENT, LLC — $60.2M
- Invesco Ltd. (IVZ) — $45.6M
- MORGAN STANLEY (MS, MS-PA, MS-PE, MS-PF, MS-PI, MS-PK, MS-PL, MS-PO, MS-PP, MS-PQ) — $40.0M
- DIMENSIONAL FUND ADVISORS LP — $37.4M
Recent NWN insider trades
- Oct 19, 2026: Anderson David Hugo sold 1,500 shares ($73.1K)
- Sep 18, 2026: Anderson David Hugo sold 1,500 shares ($72.0K)
- Aug 18, 2026: Anderson David Hugo sold 1,500 shares ($76.3K)
- Jul 20, 2026: Anderson David Hugo sold 1,500 shares ($76.8K)
Members of Congress trading NWN
- Nov 15, 2024: Earl Blumenauer bought $1.00K–$15.0K
- Aug 15, 2024: Earl Blumenauer bought $1.00K–$15.0K
- May 15, 2024: Earl Blumenauer bought $1.00K–$15.0K
- Feb 15, 2024: Earl Blumenauer bought $1.00K–$15.0K
5%+ owners
- BlackRock, Inc.: 15.0% (Schedule 13G/A, filed Apr 24, 2026)
- Vanguard Portfolio Management: 6.4% (Schedule 13G, filed Apr 29, 2026)
- Vanguard Capital Management: 5.2% (Schedule 13G, filed Apr 30, 2026)